The two large islands that make up the British Isles are().
A. Scotland and Ireland
Britain and Scotland
C. Great Britain and Northern Ireland
D. Great Britain and Ireland
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男孩10岁,脊髓压迫症的改变是()
A. 脑脊液无色,白细胞数5×106/L,蛋白0.4g/L
B. 脑脊液黄色,白细胞数50×106/L,蛋白17g/L
C. 脑脊液浑浊,白细胞数200×106/L,蛋白1g/L
D. 脑脊液红色,白细胞数500×106/L,蛋白3g/L
E. 脑脊液无色,白细胞数10×106/L,蛋白1g/L
为保证车辆顺利起动,起动前蓄电池电压不小于()V。
A. 6
B. 8
C. 10
D. 12